EP3767367A4 - Dispositif de balayage optique et son procédé de commande - Google Patents

Dispositif de balayage optique et son procédé de commande Download PDF

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Publication number
EP3767367A4
EP3767367A4 EP18909458.4A EP18909458A EP3767367A4 EP 3767367 A4 EP3767367 A4 EP 3767367A4 EP 18909458 A EP18909458 A EP 18909458A EP 3767367 A4 EP3767367 A4 EP 3767367A4
Authority
EP
European Patent Office
Prior art keywords
scanning device
optical scanning
control therefor
therefor
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18909458.4A
Other languages
German (de)
English (en)
Other versions
EP3767367A1 (fr
Inventor
Takahiko Ito
Nobuaki Konno
Yoshiaki Hirata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3767367A1 publication Critical patent/EP3767367A1/fr
Publication of EP3767367A4 publication Critical patent/EP3767367A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0064—Constitution or structural means for improving or controlling the physical properties of a device
    • B81B3/0083—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/04—Networks or arrays of similar microstructural devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Electromagnetism (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Micromachines (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
EP18909458.4A 2018-03-13 2018-12-17 Dispositif de balayage optique et son procédé de commande Withdrawn EP3767367A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018045774 2018-03-13
PCT/JP2018/046305 WO2019176204A1 (fr) 2018-03-13 2018-12-17 Dispositif de balayage optique et son procédé de commande

Publications (2)

Publication Number Publication Date
EP3767367A1 EP3767367A1 (fr) 2021-01-20
EP3767367A4 true EP3767367A4 (fr) 2021-05-12

Family

ID=67906663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18909458.4A Withdrawn EP3767367A4 (fr) 2018-03-13 2018-12-17 Dispositif de balayage optique et son procédé de commande

Country Status (5)

Country Link
US (1) US20210011282A1 (fr)
EP (1) EP3767367A4 (fr)
JP (1) JP6789438B2 (fr)
CN (1) CN111819486A (fr)
WO (1) WO2019176204A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6827601B1 (ja) * 2020-02-19 2021-02-10 三菱電機株式会社 光反射装置およびそれを備えた測距装置
JP6833127B1 (ja) * 2020-03-26 2021-02-24 三菱電機株式会社 光走査装置、光走査装置の制御方法、及び測距装置
CN111508383B (zh) * 2020-04-23 2022-03-25 歌尔光学科技有限公司 成像方法、成像装置及计算机可读存储介质
CN113687387B (zh) * 2021-09-07 2024-03-01 广州大学 一种激光雷达扫描装置以及激光雷达扫描方法
CN118020011A (zh) * 2021-09-28 2024-05-10 富士胶片株式会社 光扫描装置
JP2023144664A (ja) * 2022-03-28 2023-10-11 富士フイルム株式会社 光走査装置、光走査装置の駆動方法、及び測距装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070219720A1 (en) * 2006-03-16 2007-09-20 The Gray Insurance Company Navigation and control system for autonomous vehicles
US20090015891A1 (en) * 2005-06-13 2009-01-15 Kane David M Optical systems and methods using large microelectromechanical-systems mirrors
US20100165323A1 (en) * 2008-12-29 2010-07-01 Reinhold Fiess Adaptive angle and power adaptation in 3d-micro-mirror lidar
EP2339367A1 (fr) * 2009-12-17 2011-06-29 Siemens Aktiengesellschaft Appareil à balayage laser
JP2016070874A (ja) * 2014-10-01 2016-05-09 富士通株式会社 レーザ測距装置、プログラム及びレーザ測距装置の補正方法
DE102015109160A1 (de) * 2015-06-10 2016-12-15 Valeo Schalter Und Sensoren Gmbh Fahrerassistenzsystem für ein Kraftfahrzeug, Kraftfahrzeug sowie Verfahren
US20180024246A1 (en) * 2016-07-21 2018-01-25 Lg Electronics Inc. Lidar apparatus for vehicles

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11153664A (ja) * 1997-09-30 1999-06-08 Sumitomo Electric Ind Ltd 繰り返しパルス光を利用した物体検知装置
JP2000075030A (ja) * 1998-08-27 2000-03-14 Aisin Seiki Co Ltd スキャン型レーザーレーダ装置
US7262895B2 (en) * 2005-06-14 2007-08-28 Lexmark International, Inc. Determining operating point of feedback controller applied to operation of oscillating scanning device
JP4881073B2 (ja) * 2006-05-30 2012-02-22 キヤノン株式会社 光偏向器、及びそれを用いた光学機器
JP5304380B2 (ja) * 2008-07-23 2013-10-02 株式会社リコー 光走査装置、これを用いた画像投影装置、ヘッドアップディスプレイ装置および携帯電話機
JP4620789B1 (ja) * 2009-07-16 2011-01-26 シナノケンシ株式会社 光走査装置
JP6234781B2 (ja) * 2013-11-07 2017-11-22 リコー光学株式会社 ２次元走査型レーザビーム放射装置
WO2015108710A1 (fr) * 2014-01-20 2015-07-23 Apple Inc. Détection de position de miroir utilisant la frange de distorsion de champs électriques
JP6536008B2 (ja) 2014-10-30 2019-07-03 株式会社デンソー 車両用光飛行型測距装置
US9625582B2 (en) * 2015-03-25 2017-04-18 Google Inc. Vehicle with multiple light detection and ranging devices (LIDARs)
US10761195B2 (en) * 2016-04-22 2020-09-01 OPSYS Tech Ltd. Multi-wavelength LIDAR system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090015891A1 (en) * 2005-06-13 2009-01-15 Kane David M Optical systems and methods using large microelectromechanical-systems mirrors
US20070219720A1 (en) * 2006-03-16 2007-09-20 The Gray Insurance Company Navigation and control system for autonomous vehicles
US20100165323A1 (en) * 2008-12-29 2010-07-01 Reinhold Fiess Adaptive angle and power adaptation in 3d-micro-mirror lidar
EP2339367A1 (fr) * 2009-12-17 2011-06-29 Siemens Aktiengesellschaft Appareil à balayage laser
JP2016070874A (ja) * 2014-10-01 2016-05-09 富士通株式会社 レーザ測距装置、プログラム及びレーザ測距装置の補正方法
DE102015109160A1 (de) * 2015-06-10 2016-12-15 Valeo Schalter Und Sensoren Gmbh Fahrerassistenzsystem für ein Kraftfahrzeug, Kraftfahrzeug sowie Verfahren
US20180024246A1 (en) * 2016-07-21 2018-01-25 Lg Electronics Inc. Lidar apparatus for vehicles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019176204A1 *

Also Published As

Publication number Publication date
US20210011282A1 (en) 2021-01-14
JPWO2019176204A1 (ja) 2020-10-08
CN111819486A (zh) 2020-10-23
EP3767367A1 (fr) 2021-01-20
WO2019176204A1 (fr) 2019-09-19
JP6789438B2 (ja) 2020-11-25

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